/* * cacafire fire demo for libcaca * Copyright (c) 2003 Sam Hocevar * Jan Hubicka (hubicka@freesoft.cz) * Thomas A. K. Kjaer (takjaer@daimi.aau.dk) * Tim Newsome (nuisance@cmu.edu) * Kamil Toman (toman@artax.karlin.mff.cuni.cz) * All Rights Reserved * * $Id$ * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA * 02111-1307 USA */ #ifdef LIBCACA #include "config.h" #include #include #include #include "caca.h" #else #include #include "aalib.h" #define XSIZ aa_imgwidth(context) #define YSIZ (aa_imgheight(context)-4) #endif #define MAXTABLE (256*5) #ifdef LIBCACA static int XSIZ, YSIZ; static struct caca_bitmap *caca_bitmap; static char *bitmap; #else static aa_context *context; static aa_renderparams *params; static aa_palette palette; #endif static unsigned int table[MAXTABLE]; #ifdef LIBCACA static int const pal[] = #else __AA_CONST static int pal[] = #endif { 0, 0, 0, 0, 0, 6, 0, 0, 6, 0, 0, 7, 0, 0, 8, 0, 0, 8, 0, 0, 9, 0, 0, 10, 2, 0, 10, 4, 0, 9, 6, 0, 9, 8, 0, 8, 10, 0, 7, 12, 0, 7, 14, 0, 6, 16, 0, 5, 18, 0, 5, 20, 0, 4, 22, 0, 4, 24, 0, 3, 26, 0, 2, 28, 0, 2, 30, 0, 1, 32, 0, 0, 32, 0, 0, 33, 0, 0, 34, 0, 0, 35, 0, 0, 36, 0, 0, 36, 0, 0, 37, 0, 0, 38, 0, 0, 39, 0, 0, 40, 0, 0, 40, 0, 0, 41, 0, 0, 42, 0, 0, 43, 0, 0, 44, 0, 0, 45, 0, 0, 46, 1, 0, 47, 1, 0, 48, 2, 0, 49, 2, 0, 50, 3, 0, 51, 3, 0, 52, 4, 0, 53, 4, 0, 54, 5, 0, 55, 5, 0, 56, 6, 0, 57, 6, 0, 58, 7, 0, 59, 7, 0, 60, 8, 0, 61, 8, 0, 63, 9, 0, 63, 9, 0, 63, 10, 0, 63, 10, 0, 63, 11, 0, 63, 11, 0, 63, 12, 0, 63, 12, 0, 63, 13, 0, 63, 13, 0, 63, 14, 0, 63, 14, 0, 63, 15, 0, 63, 15, 0, 63, 16, 0, 63, 16, 0, 63, 17, 0, 63, 17, 0, 63, 18, 0, 63, 18, 0, 63, 19, 0, 63, 19, 0, 63, 20, 0, 63, 20, 0, 63, 21, 0, 63, 21, 0, 63, 22, 0, 63, 22, 0, 63, 23, 0, 63, 24, 0, 63, 24, 0, 63, 25, 0, 63, 25, 0, 63, 26, 0, 63, 26, 0, 63, 27, 0, 63, 27, 0, 63, 28, 0, 63, 28, 0, 63, 29, 0, 63, 29, 0, 63, 30, 0, 63, 30, 0, 63, 31, 0, 63, 31, 0, 63, 32, 0, 63, 32, 0, 63, 33, 0, 63, 33, 0, 63, 34, 0, 63, 34, 0, 63, 35, 0, 63, 35, 0, 63, 36, 0, 63, 36, 0, 63, 37, 0, 63, 38, 0, 63, 38, 0, 63, 39, 0, 63, 39, 0, 63, 40, 0, 63, 40, 0, 63, 41, 0, 63, 41, 0, 63, 42, 0, 63, 42, 0, 63, 43, 0, 63, 43, 0, 63, 44, 0, 63, 44, 0, 63, 45, 0, 63, 45, 0, 63, 46, 0, 63, 46, 0, 63, 47, 0, 63, 47, 0, 63, 48, 0, 63, 48, 0, 63, 49, 0, 63, 49, 0, 63, 50, 0, 63, 50, 0, 63, 51, 0, 63, 52, 0, 63, 52, 0, 63, 52, 0, 63, 52, 0, 63, 52, 0, 63, 53, 0, 63, 53, 0, 63, 53, 0, 63, 53, 0, 63, 54, 0, 63, 54, 0, 63, 54, 0, 63, 54, 0, 63, 54, 0, 63, 55, 0, 63, 55, 0, 63, 55, 0, 63, 55, 0, 63, 56, 0, 63, 56, 0, 63, 56, 0, 63, 56, 0, 63, 57, 0, 63, 57, 0, 63, 57, 0, 63, 57, 0, 63, 57, 0, 63, 58, 0, 63, 58, 0, 63, 58, 0, 63, 58, 0, 63, 59, 0, 63, 59, 0, 63, 59, 0, 63, 59, 0, 63, 60, 0, 63, 60, 0, 63, 60, 0, 63, 60, 0, 63, 60, 0, 63, 61, 0, 63, 61, 0, 63, 61, 0, 63, 61, 0, 63, 62, 0, 63, 62, 0, 63, 62, 0, 63, 62, 0, 63, 63, 0, 63, 63, 1, 63, 63, 2, 63, 63, 3, 63, 63, 4, 63, 63, 5, 63, 63, 6, 63, 63, 7, 63, 63, 8, 63, 63, 9, 63, 63, 10, 63, 63, 10, 63, 63, 11, 63, 63, 12, 63, 63, 13, 63, 63, 14, 63, 63, 15, 63, 63, 16, 63, 63, 17, 63, 63, 18, 63, 63, 19, 63, 63, 20, 63, 63, 21, 63, 63, 21, 63, 63, 22, 63, 63, 23, 63, 63, 24, 63, 63, 25, 63, 63, 26, 63, 63, 27, 63, 63, 28, 63, 63, 29, 63, 63, 30, 63, 63, 31, 63, 63, 31, 63, 63, 32, 63, 63, 33, 63, 63, 34, 63, 63, 35, 63, 63, 36, 63, 63, 37, 63, 63, 38, 63, 63, 39, 63, 63, 40, 63, 63, 41, 63, 63, 42, 63, 63, 42, 63, 63, 43, 63, 63, 44, 63, 63, 45, 63, 63, 46, 63, 63, 47, 63, 63, 48, 63, 63, 49, 63, 63, 50, 63, 63, 51, 63, 63, 52, 63, 63, 52, 63, 63, 53, 63, 63, 54, 63, 63, 55, 63, 63, 56, 63, 63, 57, 63, 63, 58, 63, 63, 59, 63, 63, 60, 63, 63, 61, 63, 63, 62, 63, 63, 63}; static void initialize (void) { int i; #ifdef LIBCACA int r[256], g[256], b[256], a[256]; #endif #ifdef LIBCACA if (caca_init()) { printf ("Failed to initialize libcaca\n"); exit (1); } caca_set_delay(0); XSIZ = caca_get_width() * 2; YSIZ = caca_get_height() * 2 - 4; #else context = aa_autoinit (&aa_defparams); if (context == NULL) { printf ("Failed to initialize aalib\n"); exit (1); } aa_autoinitkbd (context, 0); params = aa_getrenderparams (); #endif for (i = 0; i < 256; i++) #ifdef LIBCACA { r[i] = pal[i * 3] * 64; g[i] = pal[i * 3 + 1] * 64; b[i] = pal[i * 3 + 2] * 64; a[i] = 0xfff; } #else aa_setpalette (palette, i, pal[i * 3] * 4, pal[i * 3 + 1] * 4, pal[i * 3 + 2] * 4); #endif #ifdef LIBCACA caca_bitmap = caca_create_bitmap(8, XSIZ, YSIZ - 2, XSIZ, 0, 0, 0, 0); caca_set_bitmap_palette(caca_bitmap, r, g, b, a); bitmap = malloc(4 * caca_get_width() * caca_get_height() * sizeof(char)); memset(bitmap, 0, 4 * caca_get_width() * caca_get_height()); #else aa_hidecursor (context); #endif } static void uninitialize (void) { #ifdef LIBCACA caca_end(); #else aa_close (context); #endif exit (0); } static void gentable (void) { unsigned int i, p2; unsigned int minus = 800 / YSIZ; if (minus == 0) minus = 1; for (i = 0; i < MAXTABLE; i++) { if (i > minus) { p2 = (i - minus) / 5; table[i] = p2; } else table[i] = 0; } } #define MA 5 static void firemain (void) { register unsigned int i; unsigned char *p; #ifndef LIBCACA char *bitmap = aa_image (context); #endif i = 0; #define END (bitmap + XSIZ * YSIZ) for (p = bitmap; p <= (unsigned char *) (END); p += 1) { *p = table[(*(p + XSIZ - 1) + *(p + XSIZ + 1) + *(p + XSIZ)) + (*(p + 2 * XSIZ - 1) + *(p + 2 * XSIZ + 1))]; } } #define min(x,y) ((x)<(y)?(x):(y)) static void drawfire (void) { unsigned int i, last1, i1, i2; static int loop = 0, sloop = 0; static unsigned int height = 0; register unsigned char *p; #ifndef LIBCACA char *bitmap = aa_image (context); #endif height++; loop--; if (loop < 0) loop = rand () % 3, sloop++;; i1 = 1; i2 = 4 * XSIZ + 1; for (p = (char *) bitmap + XSIZ * (YSIZ + 0); p < ((unsigned char *) bitmap + XSIZ * (YSIZ + 1)); p++, i1 += 4, i2 -= 4) { last1 = rand () % min (i1, min (i2, height)); i = rand () % 6; for (; p < (unsigned char *) bitmap + XSIZ * (YSIZ + 1) && i != 0; p++, i--, i1 += 4, i2 -= 4) *p = last1, last1 += rand () % 6 - 2, *(p + XSIZ) = last1, last1 += rand () % 6 - 2; *(p + 2 * XSIZ) = last1, last1 += rand () % 6 - 2; } i = 0; firemain (); #ifdef LIBCACA caca_draw_bitmap(0, 0, caca_get_width() - 1, caca_get_height() - 1, caca_bitmap, bitmap); caca_refresh(); XSIZ = caca_get_width() * 2; YSIZ = caca_get_height() * 2 - 4; #else aa_renderpalette (context, palette, params, 0, 0, aa_scrwidth (context), aa_scrheight (context)); aa_flush (context); #endif } static void game (void) { int event; gentable (); #ifdef LIBCACA while (!(event = caca_get_event() & CACA_EVENT_KEY_PRESS)) #else while (!(event = aa_getevent (context, 0)) || event == AA_RESIZE) #endif { drawfire (); } } int main (int argc, char **argv) { #ifndef LIBCACA if (!aa_parseoptions (NULL, NULL, &argc, argv) || argc != 1) { printf ("%s", aa_help); exit (1); } #endif initialize (); #ifndef LIBCACA aa_resizehandler (context, (void *) aa_resize); #endif game (); uninitialize (); return 1; }